AM_Fluor-arfvedsonite_1
Formula: O22.6 F1.4 (Si7.88 Al.12) Mg.18 Fe3.52 Mn.79 Ti.08 Zn.1 Li.33 Na2.404 K.257 H.6
Name: Fluor-arfvedsonite
Unit cell: 9.815 18.016 5.329 90.0 103.71 90.0 , V=915.46
Space group: C12/M1 (12)

Hawthorne F C , Ungaretti L , Oberti R , Bottazzi P , Czamanske G K , American Mineralogist , 78 (1993) p.733-745, Li: an important component in igneous alkali amphiboles, Locality: Questa caldera, New Mexico, Sample: A(9)